In the article titled “Rational Protocols and Attacks in Blockchain System” [1], a number of references in Figures 2–4 are incorrect due to an error made during the preparation of the manuscript. The corrected figures with the updated numbering are shown as follows.


Figure 2 
The possible directions for smart contracts.

Figure 3 
The possible directions for rational mining attacks.

Figure 4 
The possible directions for consensus mechanism.